When the inability to lift the feet occurs, the patient can choose the department according to his/her relevant medical history as well as other clinical symptoms, and usually can go to orthopedics, neurology and other departments for consultation. 1. If the patient is accompanied by obvious lumbar pain, past history of lumbar diseases, as well as lower limb numbness, stiffness and other manifestations, and before the foot lifting is not carried out strenuous exercise or leg trauma, it is very likely to be a local muscle strain, fracture, lumbar vertebral slip, lumbar intervertebral disc protrusion, etc., the patient should be orthopedic department for medical consultation. 2. If the patient is accompanied by obvious dizziness, headache, past history of brain diseases, numbness of one side of the limbs, weakness of the limbs and other manifestations, especially if the patient also has high blood lipids, high blood pressure and other basic diseases, it is likely to be cerebral infarction, cerebral hemorrhage and other diseases, the patient should go to the Department of Neurology for medical consultation. If the patient can’t lift his feet and can’t be relieved for a long time, he should combine his medical history and performance, go to the appropriate department for consultation, find out the cause of the disease under the doctor’s guidance, and actively cooperate with the doctor’s treatment.